// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

#![feature(marker_trait_attr)]
#![feature(unrestricted_attribute_tokens)]

#[marker(always)]
trait Marker1 {}
//~^^ ERROR attribute should be empty

#[marker("never")]
trait Marker2 {}
//~^^ ERROR attribute should be empty

#[marker(key = value)]
trait Marker3 {}
//~^^ ERROR attribute should be empty

fn main() {}
